| Date | Position |
| 1985 – 1987 | Teaching Assistant, Department of Agronomy, Faculty of Agriculture, University of Khartoum, Sudan. |
| 1987 – 1992 | Research Assistant, Department of Botany and Plant Science, University of California-Riverside, California, USA |
| 1992 – 2002 | Assistant Professor, Department of Agronomy, Faculty of Agriculture, University of Khartoum, Sudan. |
| 2002 – Now | Associate Professor, Department of Agronomy, Faculty of Agriculture, University of Khartoum, Sudan. |
